Free Anti-Spyware Scanners and Tools
Spyware tools, especially FREE spyware tools, should always be considered suspicious. Many of the pop-up advertisements associated with spyware are themselves full of adware and spyware! These free tools are my personal favorites, and they have an impeccable track record in the anti-spyware industry. Every one of these tools are on my hard drive, and they should be on yours, too!
Ad-Aware is one of the most powerful anti-spyware scanners available on the market, and Ad-Aware includes free and commerical versions!Platforms: Windows
HijackThis is a general homepage hijacker detector and remover. HijackThis is based on the article Hijacked!, but has been expanded to almost a dozen checks against hijacker tricks. It is continually updated to detect and remove new hijacks. This is a tool for hard-core propeller-heads, and unless you are sure of what you're doing, you should always consult with knowledgable folks before deleting anything.Platforms: Windows
Microsoft Security Essentials
Microsoft has created their own anti-virus, anti-spyware, and anti-malware software that runs on Windows XP, Windows Vista, and Windows 7.Platforms: Windows
Malwarebytes is a powerful anti-spyware application that can both protect and clean some of the most advanced malware you'll find. If you're trying to clean some especially nasty spyware, Malwarebytes can save the day.Platforms: Windows